[compiler] Delay allocation of code-embedded heap numbers.

src/mips64/assembler-mips64.h

Index: src/mips64/assembler-mips64.h
diff --git a/src/mips64/assembler-mips64.h b/src/mips64/assembler-mips64.h
index dc78b890edd64eb4d2aaf37c8dc2b4ab38ba1833..98e712455eff2572f79cb7341cb141cf43105a68 100644
--- a/src/mips64/assembler-mips64.h
+++ b/src/mips64/assembler-mips64.h
@@ -504,7 +504,7 @@ class Assembler : public AssemblerBase {
   // GetCode emits any pending (non-emitted) code and fills the descriptor
   // desc. GetCode() is idempotent; it returns the same result if no other
   // Assembler functions are invoked in between GetCode() calls.
-  void GetCode(CodeDesc* desc);
+  void GetCode(Isolate* isolate, CodeDesc* desc);
 
   // Label operations & relative jumps (PPUM Appendix D).
   //
@@ -593,6 +593,10 @@ class Assembler : public AssemblerBase {
   // of that call in the instruction stream.
   inline static Address target_address_from_return_address(Address pc);
 
+  static void set_heap_number(Handle<HeapObject> number, Address pc) {
+    UNIMPLEMENTED();
+  }
+
   static void JumpLabelToJumpRegister(Address pc);
 
   static void QuietNaN(HeapObject* nan);